P-5

Ancillary Services Prices, Day Ahead Market

04/29/2007

Time StampEastWest
10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)
00:000.250.250.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.250.250.25450.250.250.2545
06:003.493.490.25450.250.250.2545
07:009.593.090.54570.50.545
08:0070.50.54570.50.545
09:0073.050.54573.050.545
10:008.33.050.54571.750.545
11:009.33.050.54570.750.545
12:008.253.050.54571.80.545
13:008.33.050.54571.750.545
14:0073.050.54573.050.545
15:0073.050.54573.050.545
16:007.13.040.54572.940.545
17:009.653.150.54570.50.545
18:009.563.060.54570.50.545
19:0014.53.490.8445.347.340.840.8445.34
20:0033.713.490.54570.50.545
21:0016.713.490.8445.347.340.840.8445.34
22:009.593.090.54570.50.545
23:003.093.090.3450.30.30.345